(单选题)14: The history of railway transport has partly been a history of _____ greater efficiency. A: turning  up B: deriving from C: striving for D: winding up ...

(单选题)8: ____ my opinion your bike is____ times better than mine. A: From/one hundred B: In/a hundred C: To/hundreds D: Upon/hundreds of ...

(单选题)2: The meeting hall is so large that it can ___ two thousand people. A: sit B: seat C: be held D: be seated ...

(单选题)16: Petrol is refined from the ___ oil we take out of the ground. A: crude B: fresh C: rude D: original ...

(单选题)10: There is only one problem ___ they disagree. A: about which B: of which C: on which D: that ...

(单选题)4: It is highly _______ that he come here tomorrow to join us. A: desirable B: doubtful C: good D: wanted ...

(单选题)18: Nacy___ letter from her mother —— No, she can’t have. The postman hasn’t come yet. A: can receive B: can have received C: must have received D: must receive ...

(单选题)12: You don’t have to pay any _______ on personal belongings. A: price B: duty C: expense D: elevator ...

(单选题)6: It is important that you___ sports every day. A: have B: would have C: must have D: will have ...

(单选题)20: At the beginning I suspected him, but his honest words___the doubts out of my mind. A: clear B: cut C: shut D: shoot ...